[sdiy] tempcos..

[damion at poweracoustics.org]

Thanks for the tip.
These are what I went with.
I need 2k, so I'm using 2 1k in series.
they're only .1 watt is that going to be any problem?
I've seen some rather large tempcos in other systems.



On Aug 31, 2004, at 6:40 PM, Ian Fritz wrote:

> Not offhand, but easy enough to find for you.  :-)
>
> They call them Panasonic Metal Film Thermosensitive Chip Resistors.
> Page 865 in current catalog (T041)
> Part # is:    P + Value + "CDCT-ND",   if you use the 3300ppm/.1W 
> variety.
> Price is 10/$5.52.
>
> Values only go up to 1.8k, so you can either modify your circuit to 
> use 1.8k instead of 2k, or you can use 2 x1k in series, or you can use 
> a circuit designed for 1k.  My dial-a-tempco circuit can be set up for 
> any convenient tempco value.
>
>   Ian
>
>
> At 07:12 PM 8/31/2004, James Patchell wrote:
>> Do you know the Digikey part number...of hand?....
>>
>> At 07:04 PM 8/31/2004 -0600, Ian Fritz wrote:
>>> Don't forget the little surface mount ones that Digikey carries.  
>>> Only ~60c IIRC.  Self heating could be an issue, but still probably 
>>> worth trying ...
>
>
>
damion romero
damion at poweracoustics.org
http://poweracoustics.org